from the State of Vera Cruz. 285 



with narrow, even, pale fulvous hair-bands. Dark portions 

 with short black pubescence. Apical segment pruinose. 

 Ventral scopa orange-fulvous, mixed with black at extreme 

 apex. 



San Kafael, June 20 ; one, on an orange-flowered composite. 



Very near to M. montezunta, Cresson, but differs in the 

 black teo-ulpe, &c. 



(3) Megachile vercecruci's, sp. n. 



cJ. Length about or a little over 11 millim. Broad and 

 short ; black, legs partly red, all the tarsi pale lemon-yellow. 

 Head of ordinary shape ; face densely covered with silky 

 pale yellowish pubescence, flat and directed downwards on 

 clypeus, directed upwards above, with an erect fringe along 

 top of clypeus and thence upwards on each side to the an- 

 tenna. The light pubescence abruptly terminates just above 

 the level of the anterior ocellus, leaving the vertex with 

 sparse erect yellowish hairs, not concealing the surface, which 

 is densely punctured. A patch behind the summits of the 

 eyes hairless. Cheeks with short, thin, dull subochraceous 

 pubescence, except at extreme base, where it is dense and 

 white. Mandibles wholly black. AntennfB black, the 

 flagellum obscurely ferruginous beneath. First joint of 

 flagellum equal to second ; terminal joint broadened and 

 flattened, like a spear-head. Thorax dull and very densely 

 punctured; pubescence above pale ochraceous, short and thin, 

 not concealing the surface, except anterior border of meso- 

 thorax, triangularly produced backwards on each side of the 

 middle, a patch above base of wings, anterior border of 

 scutellum, and metathorax, where it is dense. Pleura with 

 fairly dense and long hairs, white on lower part. Tegulas 

 ferruginous. Wings dusky hyaline, broadly darker on outer 

 margin ; nervures fuscous, ferruginous towards base of wing. 

 Coxae and trochanters black, the anterior ones suffused with 

 reddish. Anterior femora rufous ; middle femora rufous in 

 front except base, black behind except apical half below ; 

 hind femora black. Anterior tibiae rufous, the angles more 

 or less black ; middle tibite rufous, largely suffused with 

 black behind; hind tibiae dark rufo- fuscous, more or less 

 suffused with rufous. Tarsi all very pale yellow, ends of 

 claws black. Anterior coxae with a stout spine, fringed with 

 white hairs on inner side; there is a patch of dense white 

 pubescence laterad of the spine, separated from it by a shining- 

 smooth space. Anterior femora short and three-sided, the 

 tibiai also three-sided but shorter. Hind tibiai in front 



